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Finding the Fourth Proportional to 369,700.84, 510,188.69 and 199,934.96

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Solution

The fourth proportional to 369,700.84, 510,188.69 and 199,934.96 is: 275,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,700.84 : 510,188.69 = 199,934.96 : x
  2. Step 2: Convert to fraction form
    369,700.84/510,188.69 = 199,934.96/x
  3. Step 3: Cross multiply
    369,700.84x = 510,188.69 × 199,934.96
  4. Step 4: Simplify right side
    369,700.84x = 102,004,557,102.91
  5. Step 5: Solve for x
    x = 102,004,557,102.91/369,700.84
  6. Step 6: Final answer
    x = 275,911.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.